From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from galois.linutronix.de ([2a0a:51c0:0:12e:550::1]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kcmb8-0006Sl-0R for ath11k@lists.infradead.org; Wed, 11 Nov 2020 09:39:26 +0000 From: Thomas Gleixner Subject: Re: pci_alloc_irq_vectors fails ENOSPC for XPS 13 9310 In-Reply-To: <6b60c8f1-ec37-d601-92c2-97a485b73431@posteo.de> References: <20201103160838.GA246433@bjorn-Precision-5520> <874km61732.fsf@nanos.tec.linutronix.de> <87mtzxkus5.fsf@nanos.tec.linutronix.de> <87wnz0hr9k.fsf@codeaurora.org> <87ft5hehlb.fsf@codeaurora.org> <6b60c8f1-ec37-d601-92c2-97a485b73431@posteo.de> Date: Wed, 11 Nov 2020 10:39:22 +0100 Message-ID: <87r1p0fd11.fsf@nanos.tec.linutronix.de> MIME-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "ath11k" Errors-To: ath11k-bounces+kvalo=adurom.com@lists.infradead.org To: Thomas Krause , Kalle Valo Cc: Govind Singh , linux-pci@vger.kernel.org, Stefani Seibold , linux-wireless@vger.kernel.org, Devin Bayer , ath11k@lists.infradead.org, Bjorn Helgaas , Christoph Hellwig , David Woodhouse On Wed, Nov 11 2020 at 09:53, Thomas Krause wrote: > Am 10.11.20 um 09:33 schrieb Kalle Valo: >>> I was told that on Dell XPS 15 (with a working QCA6390 setup) there's a >>> separate "Virtualisation" setting in BIOS. See if you have that and try >>> enabling it. >> I was informed about another setting to test: try disabling "Enable >> Secure Boot" in the BIOS. I don't know yet why it would help, but that's >> what few people have recommended. >> >> Please let me know how it goes. >> > I have two options under "Virtualization" in the BIOS: "Enable Intel > Virtualization Technology (VT)" and "VT for Direct I/O". Both were VT for Direct I/O enables the IOMMU and the interrupt remapping unit, but the kernel can't use it because the ACPI tables are busted. > enabled. Secure boot was also turned off. BIOS version is also at the > most current version 1.1.1. Because of the dmesg errors Thomas Gleixner > mentioned, I assume it would be best to contact Dell directly (even if > I'm not sure if and how fast they will respond). If the driver would Good luck. Thanks, tglx -- ath11k mailing list ath11k@lists.infradead.org http://lists.infradead.org/mailman/listinfo/ath11k